The group, led by Leader of Opposition Chandrakant Kavlekar, met Assembly Speaker Rajesh Patnekar in the evening and gave him a letter, informing him about their breaking away from the party.
The state cabinet took the decision after a meeting on Tuesday.
Michael Lobo, who resigned as deputy speaker of the Goa Legislative Assembly, and three of the 10 MLAs who joined the BJP -- Chandrakant Kavlekar, Jeniffer Monserratte, Philip Neri Rodrigues -- were sworn in as new ministers.
'Parrikar died twice...once on March 17 physically while today it is the death of his political legacy'
Syed Firdaus Ashraf lists seven states where the Grand Old Party suffered a severe setback.